CVE-2024-27818
Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.
NVD · uneditedThe issue was addressed with improved memory handling. This issue is fixed in iOS 16.7.8 and iPadOS 16.7.8, iOS 17.5 and iPadOS 17.5, macOS Sonoma 14.5. An attacker may be able to cause unexpected app termination or arbitrary code execution.
Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.
dbcve analysis · moderate confidenceA memory handling vulnerability in Apple iOS, iPadOS, and macOS allows an attacker to potentially execute arbitrary code or cause unexpected application termination. The issue was addressed through improved memory management in the patched versions.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.
NVD · CPE data< 16.7.8>= 17.0, < 17.5< 16.7.8>= 17.0, < 17.5>= 14.0, < 14.5CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.
From the vector- Attack vector
- Local
- Complexity
- Low
- Privileges
- None
- User interaction
- Required
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.
dbcve checksWork through these to decide whether this CVE applies to you.
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Identify your device operating systemOn iOS/iPadOS, go to Settings > General > About > Model Name. On macOS, click the Apple menu and select About This Mac to see the macOS version.Affected if Device runs iOS, iPadOS, or macOS - this CVE affects all three platforms
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Check iOS version on iPhoneGo to Settings > General > About > Version to view the installed iOS version number.Affected if iOS version is less than 16.7.8, OR between 17.0 and 17.4 (inclusive)
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Check iPadOS version on iPadGo to Settings > General > About > Version to view the installed iPadOS version number.Affected if iPadOS version is less than 16.7.8, OR between 17.0 and 17.4 (inclusive)
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Check macOS versionClick the Apple menu > About This Mac to view the macOS version number displayed under the Apple logo.Affected if macOS version is 14.0, 14.1, 14.2, 14.3, or 14.4 (any version from 14.0 up to but not including 14.5)
You are affected if your device runs iOS or iPadOS versions below 16.7.8, between 17.0-17.4, or macOS versions 14.0 through 14.4.
Generated from the published advisory. Verify against your own configuration.
Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.
dbcve · scoped14.516.7.817.5
Update all affected devices to iOS 16.7.8 or later, iPadOS 16.7.8 or later, and macOS Sonoma 14.5 or later to remediate this vulnerability.
iOS 16.7.8+, iOS 17.5+, iPadOS 16.7.8+, iPadOS 17.5+, macOS Sonoma 14.5+
- For iPhone/iPad devices on iOS/iPadOS 16.x: Upgrade to iOS/iPadOS 16.7.8 or later via Settings > General > Software Update
- For iPhone/iPad devices on iOS/iPadOS 17.x: Upgrade to iOS/iPadOS 17.5 or later via Settings > General > Software Update
- For Mac computers running macOS Sonoma (14.x): Upgrade to macOS 14.5 or later via System Settings > General > Software Update
Generated from the published advisory — verify against the referenced sources before acting.
- Consultation2.0 h
- Implementation4.0 h
- Testing2.0 h
- Review / QA1.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2024-27818 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2024-27818 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
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A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.
- Verified mitigations, workarounds, and config changes
- Version or environment caveats, and links to real fixes
- No weaponised exploit code, or anything meant to cause harm
- No spam, self-promotion, credentials, or personal data